DIFF Subgroup
H03K 21/20 using glow discharge lamps
Introduced: September 1968
Title
Titles differ between systems:
IPC: using glow-discharge lamps
CPC: using glow discharge lamps
Full Title
Full titles differ between systems:
IPC:
Details of pulse counters or frequency dividers > Circuits for visual indication of the result > using glow-discharge lamps
CPC:
Details of pulse counters or frequency dividers > Circuits for visual indication of the result > using glow discharge lamps
No child classifications to compare. This is a leaf node in both IPC and CPC.